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Rollup of 8 pull requests
Successful merges:
- #90277 (Improve terminology around "after typeck")
- #92918 (Allow eliding GATs in expression position)
- #93039 (Don't suggest inaccessible fields)
- #93155 (Switch pretty printer to block-based indentation)
- #93214 (Respect doc(hidden) when suggesting available fields)
- #93347 (Make `char::DecodeUtf16::size_hist` more precise)
- #93392 (Clarify documentation on char::MAX)
- #93444 (Fix some CSS warnings and errors from VS Code)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Rollup of 8 pull requests
Successful merges:
- #93395 (Improve suggestion for escaping reserved keywords)
- #93403 (review the total_cmp documentation)
- #93461 (Accommodate yield points in the format_args expansion)
- #93462 (Document `SystemTime` platform precision)
- #93471 (unix: Use metadata for `DirEntry::file_type` fallback)
- #93480 (Remove deprecated and unstable slice_partition_at_index functions)
- #93485 (core: Remove some redundant {}s from the sorting code)
- #93494 (kmc-solid: Inherit the calling task's base priority in `Thread::new`)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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r=Mark-Simulacrum
kmc-solid: Inherit the calling task's base priority in `Thread::new`
This PR fixes the initial priority calculation of spawned threads on the [`*-kmc-solid_*`](https://doc.rust-lang.org/nightly/rustc/platform-support/kmc-solid.html) Tier 3 targets.
Fixes a spawned task (an RTOS object on top of which threads are implemented for this target; unrelated to async tasks) getting an unexpectedly higher priority if it's spawned by a task whose priority is temporarily boosted by a priority-protection mutex.
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core: Remove some redundant {}s from the sorting code
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Remove deprecated and unstable slice_partition_at_index functions
They have been deprecated since commit 01ac5a97c90c26ac35ca9d65f685dd6701edfa3b
which was part of the 1.49.0 release, so from the point of nightly,
11 releases ago.
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unix: Use metadata for `DirEntry::file_type` fallback
When `DirEntry::file_type` fails to match a known `d_type`, we should
fall back to `DirEntry::metadata` instead of a bare `lstat`, because
this is faster and more reliable on targets with `fstatat`.
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Document `SystemTime` platform precision
Fixes #88822
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Accommodate yield points in the format_args expansion
Fixes #93274.
For the case `println!("{} {:?}", "", async {}.await)` in the issue, the expansion before:
```rust
::std::io::_print(
::core::fmt::Arguments::new_v1(
&["", " ", "\n"],
&[
::core::fmt::ArgumentV1::new(&"", ::core::fmt::Display::fmt),
::core::fmt::ArgumentV1::new(&async {}.await, ::core::fmt::Debug::fmt),
],
),
);
```
After:
```rust
::std::io::_print(
::core::fmt::Arguments::new_v1(
&["", " ", "\n"],
&match (&"", &async {}.await) {
_args => [
::core::fmt::ArgumentV1::new(_args.0, ::core::fmt::Display::fmt),
::core::fmt::ArgumentV1::new(_args.1, ::core::fmt::Debug::fmt),
],
},
),
);
```
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review the total_cmp documentation
The documentation has been restructured to split out a brief summary
paragraph out from the following elaborating paragraphs.
I also attempted my hand at wording improvements and adding articles
where I felt them missing, but being non-native english speaker these
may need more thorough review.
cc https://github.com/rust-lang/rust/issues/72599
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Improve suggestion for escaping reserved keywords
r? `@davidtwco`
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Fix some CSS warnings and errors from VS Code
There's no such CSS rule as `box-shadow-color`, so I instead copied the
whole `box-shadow` property to each rule to make it actually apply.
r? `@jsha`
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Clarify documentation on char::MAX
As mentioned in https://github.com/rust-lang/rust/issues/91836#issuecomment-994106874, the documentation on `char::MAX` is not quite correct – USVs are not "only ones within a certain range", they are code points _outside_ a certain range. I have corrected this and given the actual numbers as there is no reason to hide them.
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r=dtolnay
Make `char::DecodeUtf16::size_hist` more precise
New implementation takes into account contents of `self.buf` and rounds lower bound up instead of down.
Fixes #88762
Revival of #88763
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Respect doc(hidden) when suggesting available fields
Resolves #93210
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Switch pretty printer to block-based indentation
This PR backports https://github.com/dtolnay/prettyplease/commit/401d60c04213e6c66565e0e69a95b4588db5fdba from the `prettyplease` crate into `rustc_ast_pretty`.
A before and after:
```diff
- let res =
- ((::alloc::fmt::format as
- for<'r> fn(Arguments<'r>) -> String {format})(((::core::fmt::Arguments::new_v1
- as
- fn(&[&'static str], &[ArgumentV1]) -> Arguments {Arguments::new_v1})((&([("test"
- as
- &str)]
- as
- [&str; 1])
- as
- &[&str; 1]),
- (&([]
- as
- [ArgumentV1; 0])
- as
- &[ArgumentV1; 0]))
- as
- Arguments))
- as String);
+ let res =
+ ((::alloc::fmt::format as
+ for<'r> fn(Arguments<'r>) -> String {format})(((::core::fmt::Arguments::new_v1
+ as
+ fn(&[&'static str], &[ArgumentV1]) -> Arguments {Arguments::new_v1})((&([("test"
+ as &str)] as [&str; 1]) as
+ &[&str; 1]),
+ (&([] as [ArgumentV1; 0]) as &[ArgumentV1; 0])) as
+ Arguments)) as String);
```
Previously the pretty printer would compute indentation always relative to whatever column a block begins at, like this:
```rust
fn demo(arg1: usize,
arg2: usize);
```
This is never the thing to do in the dominant contemporary Rust style. Rustfmt's default and the style used by the vast majority of Rust codebases is block indentation:
```rust
fn demo(
arg1: usize,
arg2: usize,
);
```
where every indentation level is a multiple of 4 spaces and each level is indented relative to the indentation of the previous line, not the position that the block starts in.
By itself this PR doesn't get perfect formatting in all cases, but it is the smallest possible step in clearly the right direction. More backports from `prettyplease` to tune the ibox/cbox indent levels around various AST node types are upcoming.
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Don't suggest inaccessible fields
Fixes: https://github.com/rust-lang/rust/issues/92999
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Allow eliding GATs in expression position
Thoughts on whether this is worthwhile?
Fixes #92836
r? ``@jackh726``
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Improve terminology around "after typeck"
Closes #70258.
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update vulnerable/yanked deps
tokio v1.8.2 -> v1.8.4: https://rustsec.org/advisories/RUSTSEC-2021-0124
ammonia v3.1.0 -> v3.1.3: https://rustsec.org/advisories/RUSTSEC-2022-0003
thread_local v1.0.1 -> v1.1.4: https://rustsec.org/advisories/RUSTSEC-2022-0006
pin-project-lite v0.2.4 -> v0.2.8: yanked: https://github.com/taiki-e/pin-project-lite/blob/main/CHANGELOG.md#024---2021-01-11
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The `print_expr` method already places an `ibox(INDENT_UNIT)` around
every expr that gets printed. Some exprs were then using `self.head`
inside of that, which does its own `cbox(INDENT_UNIT)`, resulting in two
levels of indentation:
while true {
stuff;
}
This commit fixes those cases to produce the expected single level of
indentation within every expression containing a block.
while true {
stuff;
}
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Previously the pretty printer would compute indentation always relative
to whatever column a block begins at, like this:
fn demo(arg1: usize,
arg2: usize);
This is never the thing to do in the dominant contemporary Rust style.
Rustfmt's default and the style used by the vast majority of Rust
codebases is block indentation:
fn demo(
arg1: usize,
arg2: usize,
);
where every indentation level is a multiple of 4 spaces and each level
is indented relative to the indentation of the previous line, not the
position that the block starts in.
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Fixes a spawned task getting an unexpectedly higher priority if it's
spawned by a task whose priority is temporarily boosted by a priority-
protection mutex.
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Create `core::fmt::ArgumentV1` with generics instead of fn pointer
Split from (and prerequisite of) #90488, as this seems to have perf implication.
`@rustbot` label: +T-libs
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The documentation has been restructured to split out a brief summary
paragraph out from the following elaborating paragraphs.
I also attempted my hand at wording improvements and adding articles
where I felt them missing, but being non-native english speaker these
may need more thorough review.
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rustdoc: Remove `def_id_no_primitives`
Fixes #90187.
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Currently fails with:
error: future cannot be sent between threads safely
--> $DIR/src/test/ui/fmt/format-with-yield-point.rs:21:17
|
LL | assert_send(with_await());
| ^^^^^^^^^^^^ future returned by `with_await` is not `Send`
|
= help: the trait `Sync` is not implemented for `core::fmt::Opaque`
note: future is not `Send` as this value is used across an await
--> $DIR/src/test/ui/fmt/format-with-yield-point.rs:11:37
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LL | println!("{} {:?}", "", async {}.await);
| --------------------------------^^^^^^-
| | |
| | await occurs here, with `$crate::format_args_nl!($($arg)*)` maybe used later
| has type `ArgumentV1<'_>` which is not `Send`
| `$crate::format_args_nl!($($arg)*)` is later dropped here
note: required by a bound in `assert_send`
--> $DIR/src/test/ui/fmt/format-with-yield-point.rs:18:24
|
LL | fn assert_send(_: impl Send) {}
| ^^^^ required by this bound in `assert_send`
error: future cannot be sent between threads safely
--> $DIR/src/test/ui/fmt/format-with-yield-point.rs:22:17
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LL | assert_send(with_macro_call());
| ^^^^^^^^^^^^^^^^^ future returned by `with_macro_call` is not `Send`
|
= help: the trait `Sync` is not implemented for `core::fmt::Opaque`
note: future is not `Send` as this value is used across an await
--> $DIR/src/test/ui/fmt/format-with-yield-point.rs:6:17
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LL | async {}.await
| ^^^^^^ await occurs here, with `$crate::format_args_nl!($($arg)*)` maybe used later
...
LL | println!("{} {:?}", "", m!());
| -----------------------------
| | |
| | in this macro invocation
| has type `ArgumentV1<'_>` which is not `Send`
| `$crate::format_args_nl!($($arg)*)` is later dropped here
note: required by a bound in `assert_send`
--> $DIR/src/test/ui/fmt/format-with-yield-point.rs:18:24
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LL | fn assert_send(_: impl Send) {}
| ^^^^ required by this bound in `assert_send`
= note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 2 previous errors
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Rollup of 5 pull requests
Successful merges:
- #92887 (Bootstrap compiler update)
- #92908 (Render more readable macro matcher tokens in rustdoc)
- #93183 (rustdoc: mobile nav fixes)
- #93192 (Add VS 2022 into error message)
- #93475 (Add test to ensure that theme is applied correctly when going back in history)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Add test to ensure that theme is applied correctly when going back in history
Fixes #93258.
r? `@jsha`
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Add VS 2022 into error message
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rustdoc: mobile nav fixes
- Make sure the mobile-topbar doesn't overflow its height if the user sets a bigger font.
- Make sure the sidebar can be scrolled all the way to the bottom by shortening it to accommodate the mobile-topbar.
- Make the item name in the mobile-topbar clickable to go to the top of the page.
- Remove excess padding sidebar in mobile mode.
Demo https://rustdoc.crud.net/jsha/mobile-nav-fixes/std/string/struct.String.html
r? `@GuillaumeGomez`
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Render more readable macro matcher tokens in rustdoc
Follow-up to #92334.
This PR lifts some of the token rendering logic from https://github.com/dtolnay/prettyplease into rustdoc so that even the matchers for which a source code snippet is not available (because they are macro-generated, or any other reason) follow some baseline good assumptions about where the tokens in the macro matcher are appropriate to space.
The below screenshots show an example of the difference using one of the gnarliest macros I could find. Some things to notice:
- In the **before**, notice how a couple places break in between `$(....)`↵`*`, which is just about the worst possible place that it could break.
- In the **before**, the lines that wrapped are weirdly indented by 1 space of indentation relative to column 0. In the **after**, we use the typical way of block indenting in Rust syntax which is put the open/close delimiters on their own line and indent their contents by 4 spaces relative to the previous line (so 8 spaces relative to column 0, because the matcher itself is indented by 4 relative to the `macro_rules` header).
- In the **after**, macro_rules metavariables like `$tokens:tt` are kept together, which is how just about everybody writing Rust today writes them.
## Before
## After
r? `@camelid`
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Bootstrap compiler update
r? ``@Mark-Simulacrum``
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They have been deprecated since commit 01ac5a97c90c26ac35ca9d65f685dd6701edfa3b
which was part of the 1.49.0 release, so from the point of nightly,
11 releases ago.
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There are cases, when data in the buf might or might not be an error.
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Rollup of 8 pull requests
Successful merges:
- #93256 (Make `join!` description more accurate)
- #93358 (Add note suggesting that predicate may be satisfied, but is not `const`)
- #93362 (Do not register infer var for GAT projection in RPIT)
- #93391 (rustdoc: remove tooltip from source link)
- #93414 (Move unstable is_{arch}_feature_detected! macros to std::arch)
- #93441 (rustdoc: load the set of in-scope traits for modules with no docstring)
- #93459 (fs: Don't copy d_name from struct dirent)
- #93463 (Rename _args -> args in format_args expansion)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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- Make sure the mobile-topbar doesn't overflow its height if the user
sets a bigger font.
- Make sure the sidebar can be scrolled all the way to the bottom by
shortening it to accommodate the mobile-topbar.
- Make the item name in the mobile-topbar clickable to go to the top of
the page.
- Remove excess padding sidebar in mobile mode.
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When `DirEntry::file_type` fails to match a known `d_type`, we should
fall back to `DirEntry::metadata` instead of a bare `lstat`, because
this is faster and more reliable on targets with `fstatat`.
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Rename _args -> args in format_args expansion
As observed in https://github.com/rust-lang/rust/pull/91359#discussion_r786058960, prior to that PR this variable was sometimes never used, such as in the case of:
```rust
println!("");
// used to expand to:
::std::io::_print(
::core::fmt::Arguments::new_v1(
&["\n"],
&match () {
_args => [],
},
),
);
```
so the leading underscore in `_args` was used to suppress an unused variable lint. However after #91359 the variable is always used when present, as the unused case would instead expand to:
```rust
::std::io::_print(::core::fmt::Arguments::new_v1(&["\n"], &[]));
```
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fs: Don't copy d_name from struct dirent
The dirent returned from readdir() is only guaranteed to be valid for
d_reclen bytes on common platforms. Since we copy the name separately
anyway, we can copy everything except d_name into DirEntry::entry.
Fixes #93384.
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notriddle:notriddle/collect-crate-doc-links-very-early, r=petrochenkov
rustdoc: load the set of in-scope traits for modules with no docstring
Fixes #93428
This fix is a response to a couple of special cases related to the `module_id`, which is eventually used for trait candidates:
* The module id is always set to the current crate, when checking `crate::`.
Normally, the set of in-scope traits would be set in `load_links_in_attrs`, but if there are no doc comments, then that loop will never run.
* the module id is set to the parent module, when resolving a module that is spelled like this:
// Notice how we use an outlined doc comment here!
// [`Test::my_fn`]
mod something {
}
As with the above problem with `crate::`, we need to make sure the module gets its traits in scope resolved, even if it has no doc comments of its own.
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Move unstable is_{arch}_feature_detected! macros to std::arch
These macros are unstable, except for `is_x86_feature_detected` which is still exported from the crate root for backwards-compatibility.
This should unblock the stabilization of `is_aarch64_feature_detected`.
r? ```@m-ou-se```
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r=jsha,GuillaumeGomez
rustdoc: remove tooltip from source link
This made more sense back when it was abbreviated, but now it seems redundant.
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